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The Latest Databases Topics

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Using YARN API to Determine Resources Available for Spark Application Submission: Part II
Using the YARN REST API for submitting Spark applications and determining available resources. Applies to all Apache Hadoop distributions.
November 7, 2016
by Rachel Warren
· 5,055 Views · 2 Likes
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How to Resolve an Invalid Number Error When Using Oracle TO_NUMBER
Getting an Invalid Number error with Oracle? This article will show you what's causing it and how you can solve it.
November 6, 2016
by Ben Brumm
· 256,192 Views · 2 Likes
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How Expedia Uses NGINX Plus for Cloud Migration at Scale
This post is adapted from a presentation delivered at nginx.conf 2016 by Dave Drinkle of Expedia, Inc.
November 4, 2016
by Floyd Smith
· 5,779 Views · 1 Like
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A Survey of Modern Application Integration Architectures
The IT world is moving forward fast, and a single integration backbone is not sufficient enough in this era of integration.
November 4, 2016
by Kai Wähner DZone Core CORE
· 16,590 Views · 18 Likes
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Lambda Architecture with Apache Spark
A lot of players on the market have built successful MapReduce workflows to daily process terabytes of historical data. But who wants to wait 24h to get updated analytics?
November 3, 2016
by Taras Matyashovskyy
· 76,823 Views · 30 Likes
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Best Quality Management Strategies With Software Rollbacks
Having a sound release management plan, building servers over backups, and using Blue/Green deployments are just a few strategies that can help you manage quality.
November 3, 2016
by Sanjay Zalavadia
· 4,608 Views
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How We Implemented Object Storage to Power an Image Management Service
Rethumb uses DreamObjects to handle vast amounts of image data reliably and with low latency. This article shows the technical aspects behind how it was developed.
November 3, 2016
by Pedro Verruma
· 10,746 Views · 2 Likes
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DevOps: The Three Stage Conversation of People, Process, Products
This post elaborates on the three most important stages of conversation in DevOps, which are people, process, and products.
November 2, 2016
by Mohamed Radwan
· 7,410 Views · 2 Likes
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Create Dynamic Relationships With APOC
See how the APOC library can be used to automatically create relationships when loading data.
November 1, 2016
by Mark Needham
· 9,656 Views · 2 Likes
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Divide and Conquer: High Scalability With MongoDB Sharding
MongoDB handles horizontal scaling via sharding. Take a look at the different sharding methods you can use and how to make them work.
November 1, 2016
by Eugen Hoble
· 37,372 Views · 3 Likes
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Neo4j: Dynamically Add Property/Set Dynamic Property
In this post, we find out how to add dynamic properties to nodes in Neo4j via Cypher. Read on for more details!
October 30, 2016
by Mark Needham
· 11,425 Views · 2 Likes
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How to Run a Daemon Service in the Foreground
Sometimes, you simply need to run a Daemon process in the foreground. Why? How? Find out in this article from Denny Zhang.
October 29, 2016
by Denny Zhang
· 18,012 Views
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9 Best Practices to Follow While Coding in Rails
The author has put together a short list of some of the good practices to make your code legen – wait for it–dary!! Legendary!
October 28, 2016
by Shanky Munjal
· 20,272 Views · 1 Like
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Inside the Apache Solr JSON Facet API
Solr 5 includes a re-written faceted search and analytics module with a structured JSON API to control the faceting and analytics commands. Here’s how it works.
October 27, 2016
by Yonik Seeley
· 8,579 Views · 2 Likes
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Database CRUD Operations in Java 8 Streams
Here's a nice tutorial of using the open source Speedment library to work with various database CRUD operations in Java with Java-8-style lambdas.
October 27, 2016
by Emil Forslund
· 28,885 Views · 30 Likes
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Apache Karaf Features at Startup
Apache Karaf uses features to group together OSGi bundles. There are some tips to know about how it works in order to get it working well.
October 26, 2016
by Alan Hohn
· 17,680 Views · 7 Likes
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Running Microservices on Top of In-Memory Data Grid: Part I
With this post, we start a series that will provide a guide on building a fault-tolerant, scalable, microservice-based solution with Apache Ignite In-Memory Data Fabric.
October 26, 2016
by Denis Magda DZone Core CORE
· 23,015 Views · 18 Likes
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Parallel Database Streams Using Java 8
Read this post and learn how you can process data from a database in parallel using parallel streams and Speedment, which can lead to significant speed increases.
October 26, 2016
by Per-Åke Minborg
· 50,508 Views · 14 Likes
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A Sub-Query Does Not Hurt Performance
Just because it's on the Internet, does it make it necessarily true? What about the case of sub-queries affecting database performance? Read on to find out the truth.
October 25, 2016
by Grant Fritchey
· 8,718 Views · 6 Likes
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HTTP Headers Forwarding in Microservices
Take a look at this hands-on tutorial of how to use Spring Cloud Sleuth and immutable HTTP Headers to pass between microservices in a call chain.
October 25, 2016
by Nicolas Fränkel
· 18,738 Views · 7 Likes
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